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release: 0.5.0: Pre-1.0 security review, domain-admin role, doc consolidation

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A bounce could be recorded as a successful delivery. The log-tailer's
Fixed:
  - A bounce could be recorded as a successful delivery. The log-tailer's
  - Log-tailer resumes where it stopped instead of jumping to end-of-file on
  - Level-2 rate limit no longer overshoots under concurrency: messages that
Changed:
  - The project has a single public home: `github.com/mixeme/selfpost`. Codeberg
  - Code comments no longer cite the archived specification. References like
  - `docs/code-review.md` is gone. Its plan is finished — phases 0 (bar the
  - `docs/architecture.md` gained a *Code layers* section: a diagram of
  - Phase 1 doc/code hygiene (`docs/code-review.md`): removed ~30 stale
  … (1 more in CHANGELOG)
Security:
  - Pre-release security review (plan § D, model Fable, 2026-08-06): full pass
  - `saslpasswd2` argv: the application login is now passed after a `--`
Added:
  - Optional password encryption for the two secret-bearing downloads (plan
  - Domain import accepts an encrypted export: the envelope is detected by its
  - `selfpost-backup` writes encrypted archives and reads them back:
  - `TestParseDelivery` covers the exotic mail.log shapes the review asked for
  - docs: README *Encrypting a backup or export*; `docs/security.md` §
  … (14 more in CHANGELOG)
Removed:
  - docs: `security.md` — accepted risk «restore old backup revives session rows»
Changed:
  - docs: `implementation-plan.md` trimmed to the sole open v1.x gate — pre-release
  - docs: `architecture.md` — sessions (SQLite, idle renew, password change),
  - docs: `development.md` — expanded e2e stack and `release.yml` matrix workflow.
  - docs: `security.md` — accepted risk for send-log rows stuck at `queued` after
  - docs: `roadmap.md` — optional send-log / `mail.log` follow-ups under v1.x tail.
  … (10 more in CHANGELOG)

Full detail: CHANGELOG.md (0.5.0).
This commit is contained in:
mix
2026-09-22 15:24:51 +03:00
parent 72b09d60a6
commit 5e5d157496
113 changed files with 4284 additions and 1140 deletions
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internal/store/applications.go
+24 -21
View File
@@ -8,23 +8,24 @@ import (
)
// ErrLoginExists is returned when an application login is already taken. The
// login is globally unique because it is the SASL identity Postfix authenticates
// (one sasldb2 across all domains, spec 5.1).
// login is globally unique because it is the SASL identity Postfix
// authenticates (one sasldb2 across all domains, architecture.md § Mail path).
var ErrLoginExists = errors.New("application login already exists")
// ErrApplicationNotFound is returned when an application id does not exist.
var ErrApplicationNotFound = errors.New("application not found")
// Address modes (spec 4.1). Kept in sync with the CHECK constraint in the schema.
// Address modes (product.md § Multi-domain model). Kept in sync with the CHECK
// constraint in the schema.
const (
AddressModeWildcard = "wildcard" // any address within the application's domain
AddressModeList = "list" // only the explicitly listed addresses
)
// Application is a SASL account bound to a single domain (spec 4.1, 5.1). The
// password is never stored here — only in sasldb2, hashed — so it can be shown
// exactly once at creation/regeneration (spec 7.6.1). Addresses is populated only
// in 'list' mode.
// Application is a SASL account bound to a single domain (product.md §
// Multi-domain model). The password is never stored here — only in sasldb2,
// hashed — so it can be shown exactly once at creation/regeneration
// (security.md). Addresses is populated only in 'list' mode.
type Application struct {
ID int64
DomainID int64
@@ -35,9 +36,9 @@ type Application struct {
}
// Binding is one sender-address → login pair, as consumed by the
// smtpd_sender_login_maps generator (spec 5.1). For a wildcard application the
// Address is the domain wildcard "@example.com"; for a list application there is
// one Binding per listed address.
// smtpd_sender_login_maps generator (architecture.md § Mail path). For a
// wildcard application the Address is the domain wildcard "@example.com"; for
// a list application there is one Binding per listed address.
type Binding struct {
Address string
Login string
@@ -45,7 +46,7 @@ type Binding struct {
// AddApplication inserts an application and, in list mode, its addresses, in a
// single transaction. The caller must have validated login and every address
// (spec 7.6.2) beforehand; the query is parameterised regardless. A duplicate
// (security.md) beforehand; the query is parameterised regardless. A duplicate
// login maps to ErrLoginExists.
func (s *Store) AddApplication(domainID int64, login, mode string, addresses []string) (Application, error) {
now := time.Now().UTC()
@@ -82,7 +83,7 @@ func (s *Store) AddApplication(domainID int64, login, mode string, addresses []s
}
// UpdateApplicationMode switches an application's address mode and replaces its
// address list atomically (spec 7.2.7). The login and password are untouched.
// address list atomically (product.md). The login and password are untouched.
// Returns ErrApplicationNotFound if the id does not exist.
func (s *Store) UpdateApplicationMode(id int64, mode string, addresses []string) error {
tx, err := s.db.Begin()
@@ -163,7 +164,7 @@ func (s *Store) GetApplication(id int64) (Application, error) {
}
// ListApplicationsByDomain returns a domain's applications ordered by login,
// each with its address list populated (spec 7.2.6).
// each with its address list populated (product.md).
func (s *Store) ListApplicationsByDomain(domainID int64) ([]Application, error) {
rows, err := s.db.Query(
"SELECT id, domain_id, login, address_mode, created_at FROM applications WHERE domain_id = ? ORDER BY login",
@@ -196,8 +197,9 @@ func (s *Store) ListApplicationsByDomain(domainID int64) ([]Application, error)
}
// ListApplicationLogins returns every application login across all domains,
// ordered, for the send-log monitoring screen's filter dropdown (spec 7.2).
// Logins are globally unique (spec 5.1), so no domain qualifier is needed.
// ordered, for the send-log monitoring screen's filter dropdown (product.md).
// Logins are globally unique (architecture.md § Mail path), so no domain
// qualifier is needed.
func (s *Store) ListApplicationLogins() ([]string, error) {
rows, err := s.db.Query("SELECT login FROM applications ORDER BY login")
if err != nil {
@@ -218,7 +220,7 @@ func (s *Store) ListApplicationLogins() ([]string, error) {
// ListLoginsByDomain returns the SASL logins of a domain's applications. Used to
// purge sasldb2 entries before a domain (and its applications via cascade) is
// deleted, while the logins are still known (spec 7.2.4).
// deleted, while the logins are still known (product.md).
func (s *Store) ListLoginsByDomain(domainID int64) ([]string, error) {
rows, err := s.db.Query("SELECT login FROM applications WHERE domain_id = ? ORDER BY login", domainID)
if err != nil {
@@ -237,10 +239,11 @@ func (s *Store) ListLoginsByDomain(domainID int64) ([]string, error) {
return out, rows.Err()
}
// ListBindings returns every sender-address → login pair across all domains, the
// raw material for the smtpd_sender_login_maps file (spec 5.1). Wildcard
// applications yield a single "@domain" binding; list applications yield one
// binding per address. Ordered deterministically so the generated map is stable.
// ListBindings returns every sender-address → login pair across all domains,
// the raw material for the smtpd_sender_login_maps file (architecture.md §
// Mail path). Wildcard applications yield a single "@domain" binding; list
// applications yield one binding per address. Ordered deterministically so the
// generated map is stable.
func (s *Store) ListBindings() ([]Binding, error) {
rows, err := s.db.Query(`
SELECT '@' || d.name, a.login
@@ -271,7 +274,7 @@ func (s *Store) ListBindings() ([]Binding, error) {
// DeleteApplication removes an application and its addresses (via cascade),
// returning the deleted application so the caller can drop its sasldb2 entry
// (spec 7.2.8). Returns ErrApplicationNotFound if no such row existed.
// (product.md). Returns ErrApplicationNotFound if no such row existed.
func (s *Store) DeleteApplication(id int64) (Application, error) {
a, err := s.GetApplication(id)
if err != nil {